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Large-N expansion in field theory

Quantum field theory in the large $N$ limit: a review.

Quantum field theory in the large $N$ limit: a review.

... quantum field theories in the large N limit and as 1/N expansions, in the case of vector ...Since in- variant composite fields have small fluctuations for large N , the method ...

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Conformal field theory of critical Casimir interactions in 2D

Conformal field theory of critical Casimir interactions in 2D

... at large separations have been studied with the small particle operator expansion [28, ...bedded in a CFT appears to be ...holes in a free field [30], between circular in- ...

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Tree expansion in time-dependent perturbation theory

Tree expansion in time-dependent perturbation theory

... used in many-body theory and gives rise to a large number of complicated ...third expansion is obtained by noticing that some time orderings can be added to give simpler ...developed in ...

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Dark Energy and Modified Gravity in the Effective Field Theory of Large-Scale Structure

Dark Energy and Modified Gravity in the Effective Field Theory of Large-Scale Structure

... perturbative expansion, one must perform loop integrals over inter- mediate ...instance in [48, 49, 7, 50–52], individual terms in the loop expansion that are summed to compute the equal-time ...

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Effective field theory for gravitational radiation in scalar-tensor gravity

Effective field theory for gravitational radiation in scalar-tensor gravity

... spin-2 field is extremely constrained on theoretical ...effective field theory (EFT), modifying GR necessarily implies introducing new degrees of freedom besides the massless spin-2 ...new ...

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Truth in Consequentiality: Theory and Field Evidence on Discrete Choice Experiments

Truth in Consequentiality: Theory and Field Evidence on Discrete Choice Experiments

... voting In treatments B-IL and B-AL, Proposition 1 holds as a result of the particular (and disclosed) provision rule ...discussed in the theory section, very strong assumptions are needed for the ...

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Enhanced gauge symmetry and winding modes in Double Field Theory

Enhanced gauge symmetry and winding modes in Double Field Theory

... double field theory calculation, three key steps were ...transform in the fundamental representation of O(d + 3, d + 3) (where d is the number of non-compact ...points in moduli ...condition ...

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Dislocation core field. I. Modeling in anisotropic linear elasticity theory

Dislocation core field. I. Modeling in anisotropic linear elasticity theory

... extended in this paper the approach of Hirth and Lothe 11 to model dislocation core fields within lin- ear anisotropic elasticity theory by deriving the elastic energy of a straight dislocation while taking ...

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Large N expansion of the 2-matrix model, multicut case.

Large N expansion of the 2-matrix model, multicut case.

... the large N average density of eigenvalues of the matrix M 1 is made of g + 1 intervals [a i , b i ], i = 1, ...] in the trigonometric direction, and which does not enclose the other a j or b j with j 6= ...

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Hamiltonian identification in presence of large control field perturbations

Hamiltonian identification in presence of large control field perturbations

... jitter in the ...treat. In this work we limit the focus on the randomness coming from the last item F-4 ...[13] in the quantum computing literature. In [15] ”low frequency noise” is used ...

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Decoherence in an interacting quantum field theory: Thermal case

Decoherence in an interacting quantum field theory: Thermal case

... tions in  4 ðxÞ are numerically integrated by imposing non-Gaussian initial conditions at some initial time t 0 ...differ in our approach as we include memory effects before t 0 such that our evolution, ...

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Mean-field theory of inhomogeneous fluids

Mean-field theory of inhomogeneous fluids

... INTRODUCTION In 1873 van der Waals presented his celebrated equation of state, which corrected the well-known ideal gas expression to account for the influence of interparticle interactions [ 1 ...Boltzmann ...

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Non-rational conformal field theories and applications in string theory.

Non-rational conformal field theories and applications in string theory.

... Indeed, since the theory is local and since the parent bulk theory on the sphere determines already the operator product expansion of any two fields, the descendant field theory in the b[r] ...

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Dark matter effective field theory scattering in direct detection experiments

Dark matter effective field theory scattering in direct detection experiments

... operating in high-voltage mode are more sensitive to low-mass WIMPs because of their lower ...thresholds. In particular, the germanium high- voltage rate per kg day (light blue) is nearly an order of ...

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Field tests with inert gas and high-expansion foam

Field tests with inert gas and high-expansion foam

... second floor is to be expected because of the breakdown of foam as it is forced through the doorways and up stairways, and of losses of foam through cracks at windows and doors of ground[r] ...

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The Quantum Field Theory of K-mouflage

The Quantum Field Theory of K-mouflage

... inflaton field (or test fields) during the inflationary stage and their evolution during later stages through the radiation, matter, and dark-energy ...eras. In- deed, we have seen in section III H 1 ...

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The effective field theory of K-mouflage

The effective field theory of K-mouflage

... cosmology. In the case of K-mouflage, the background cosmology is defined by the non-linear K-mouflage evolution equations whilst the K-mouflage cosmological perturbations can be cast in the dark-energy ...

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Dynamics of Polymers: a Mean-Field Theory

Dynamics of Polymers: a Mean-Field Theory

... situation in inhomogeneous polymeric liquids is far worse[3]; the most sophisticated mean-field constructs, such as the two-fluid model of Doi and Onuki[4], allow for coupled equations for collective ...

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Minimal lectures on two-dimensional conformal field theory

Minimal lectures on two-dimensional conformal field theory

... one field is degenerate, then the four-point function belongs to the finite-dimensional space of solutions of a BPZ equa- tion, and is therefore a combination of finitely many conformal ...

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A Mean Field Theory of Nonlinear Filtering

A Mean Field Theory of Nonlinear Filtering

... applications in physics, in biology and in engineering ...application in filtering, Feynman-Kac type particle models also arise in the spectral analysis of Schrdinger type operators, ...

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